#64B1DD#64B1DD

#64B1DD is a light, moderate cyan. Relative luminance 0.394; OKLCH L 72.8% C 0.100 H 235.4°. Best body text is #000000 at 8.87:1 contrast (WCAG AA passes).

Color values

HEX	#64B1DD
RGB	rgb(100, 177, 221)
HSL	hsl(202, 64%, 63%)
HSV	hsv(202, 55%, 87%)
CMYK	cmyk(54.8%, 19.9%, 0%, 13.3%)
CIE-LAB	lab(69.02, -11.44, -29.41)
CIE-LCH	lch(69.02, 31.56, 248.74°)
OKLab	oklab(72.8% -0.0565 -0.082)
OKLCH	oklch(72.8% 0.1 235.4)
XYZ	xyz(34.0240, 39.3711, 74.1990)
Luminance	0.3937 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64B1DD #DD9064

analogous

#64DDCC #64B1DD #6474DD

triadic

#64B1DD #DD64B1 #B1DD64

tetradic

#64B1DD #CC64DD #DD9064 #74DD64

square

#64B1DD #CC64DD #DD9064 #74DD64

split-complementary

#64B1DD #DD6474 #DDCC64

monochromatic

#2475A3 #3298D2 #64B1DD #96CAE8 #C8E4F3

Accessibility & contrast

On white

2.37

#64B1DD on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.87

#64B1DD on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #64B1DD

8.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64B1DD	#FFFFFF	#000000	##000000
##64B1DD	1.00	2.37	8.87	8.87
#FFFFFF	2.37	1.00	21.00	21.00
#000000	8.87	21.00	1.00	1.00
##000000	8.87	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9CB0DF

Deuteranopia (green-blind)

#8CA3DC

Tritanopia (blue-blind)

#00BDC0

Achromatopsia (no color)

#A8A8A8

Design tokens & code

CSS

--color: #64b1dd;
/* rgb */ color: rgb(100, 177, 221);
/* oklch */ color: oklch(72.8% 0.100 235.4);

Tailwind

colors: {
  custom: {
    50: '#98c8e7',
    500: '#64b1dd',
    950: '#000000',
  },
}

SCSS

$custom: #64b1dd;
$custom-light: #98c8e7;
$custom-dark: #000000;

JSON

{
  "hex": "#64b1dd",
  "rgb": {
    "r": 100,
    "g": 177,
    "b": 221
  },
  "hsl": {
    "h": 201.818,
    "s": 64.021,
    "l": 62.941
  },
  "oklch": {
    "l": 0.72801,
    "c": 0.09962,
    "h": 235.4
  },
  "luminance": 0.39374
}

Semantic roles & 50–950 ramp

primary

#64B1DD

secondary

#E4C8B9

accent

#5A1ACC

background

#F9FCFE

surface

#F2F8FC

border

#CCD1D5

text

#0E1316

muted

#7E8284

Preview Lab

Preview with #64B1DD

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →